@article{boussaid2011weakly,
	Author = {Boussa\"id, N. and Caponigro, M. and Chambrion, T.},
	Title = {Weakly-coupled systems in quantum control},
    Journal = {IEEE Trans. Automat. Control},
	Number = {9},
	Pages = {2205--2216},
	Volume = {58},
	Year = {2013}
}